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Posted to dev@kylin.apache.org by "star_dev (Jira)" <ji...@apache.org> on 2021/06/16 07:47:00 UTC

[jira] [Created] (KYLIN-5012) kylin cube planner

star_dev created KYLIN-5012:
-------------------------------

             Summary: kylin cube planner
                 Key: KYLIN-5012
                 URL: https://issues.apache.org/jira/browse/KYLIN-5012
             Project: Kylin
          Issue Type: Bug
          Components: Job Engine, Measure - Count Distinct
    Affects Versions: v3.1.1
            Reporter: star_dev


# kylin cube planner中显示的Cuboid Count和Row Count是否准确？
 # bitmap是否会影响第一条中所说的Cuboid Count和Row Count？
 # 如图1所示，两个cube的维度设置一样，度量中一个含有bitmap，一个不含bitmap，其余度量一样，为何Cuboid Count和Row Count会有较大变化，且存储空间变化不大
 # 如图2所示，两个cube的维度设置一样，度量中一个含有bitmap，一个不含bitmap，其余度量一样，为何Cuboid Count和Row Count没有变化，且含有bitmap的cube存储空间变大
 # 我理解4是合理的，3不太符合想象，望解释



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